Miner&#39;s lamp brace



y March"`21 1939. 1 H HORSLEY 2,151,471

MINERS LAMP BRACE Filed Feb. 5, 1937 Patented Mar. 21, 1939 Ulm-TED STATES MINERS LAMP BRACE Jamesr H. Horsley, Chicago, Ill., assignor to Universal Lamp Company, Chicago, Ill., a corporation of' Illinois Application February 3, 1937, Serial No, 123,827

4 Claims.

rI-'his inventionrelates to improvements in acetylene lamps, particularly the type designed for miners" use.v

Lamps of this character are usually provided 54,- with means for supporting. and. sustaining the sameon a.miners cap. The meansfor this purpose includes ashook disposed at the rear of the lamp body, anda brace also extending from the rear` ofthe lamp.

Itpisthe maink object of this invention to provide ina miners lamp of the character described, an improved brace which may be readily and detachablysecured iny operative position to the lamp, thereby'iacilitating its removal from or f attachment to the lamp whenever that becomes necessary or desirable.

Another object of the invention is to provide in a'vminerfs lamp ofi the character described, a brace having noveltand-improved means for detachably 20- securingv the same to the. lamp body.

A further" object of the-invention isl to provide in-a miners lamp ofthe character described, a brace having. noveland improved means for detachablyl securing the same to the lamp body, which means will be simple in. construction and assembly, durable in use, and at the samev time highly efficient for carrying out the purposes for whichit is-designed;.

With the foregoing and other objects in View, which will appear as the description proceeds, the invention consistsinA certain novel features of construction,. arrangement and combination of partshereinafter fully described, illustrated in the accompanying drawings, and particularly pointedout in the appended claims, it being understoodf'that various changes -in the form, proportion, size'and minor details of the structure maybe-madevwithout departing from the spirit or sacrificing any of the` advantages of the invention.

For the purpose -offacilitating an understanding of my invention, I have illustrated in the accompanying drawing, a preferred embodiment thereof, from an inspection of which, when considered in connection with the following description, my invention, its mode of construction, assembly and operation, and many of its advantages should be readily understood and appreciated.

Referring to the drawing in which the same characters of reference are' employed to indicate corresponding or similar parts throughout the several figures of the drawing:

Fig. 1 is a side elevational view of a miners lamp attached to a cap, said lamp embodying the present invention;

Fig. 2 isia view in perspective of the cap support and miners lamp in disassembled position, the lamp, with the exception of the hook and brace, being shown in dot anddash lines;

Fig. 3 is a sectional View taken substantially 5 onv line 3-3 of Fig. 4;

Fig. 4 is a sectional view taken substantially on line 4 4 of Fig. 3.

The present invention provides a simple and convenient improvement in the construction and equipment of miners lamps, whereby any injury to the brace by means of which the lamp is attached to the miners cap, may be readily replaced with a new brace by simply removing the injured brace and substituting a new brace in its stead, the entire operation beingaccomplished by merely removing a single screw, by means of which the brace is rigidly held in operative position on the lamp.

The nature of the improvement will be clearly understood from the' illustrations in the drawing, in which the reference numeral III designates the body portion of a miners lamp of well-known design and construction, which body portion carries the waterreservoir, water feed control, burner and reilector, as well as the carbide container II, which is secured to the lower portion of the body portion I of the lamp.

The lamp is adapted tobe suspended and positioned on the miners cap I2, to the front portion of which is secured in any suitable and wellknown manner, the supporting plate I3. This plate is generally formed of sheet metal and is provided at its upper end with an opening I4, through which the stem I5 of the hook I6 is adapted to pass. The shank I 'I of the hook I6 is adapted to be received in the guide slot I8 provided in the plate I3 when the lamp is in operative position on the cap, to hold the lamp against lateral movement when in suoli position. To further insure a substantially rigid connection between the lamp and cap, there is provided a brace generally designated by the reference character I9, and provided with a pair of resilient or spring Wire arms arranged for resiliently gripping the side edges of the plate I3 to securely hold the lamp on the plate. In the embodiment illustrated, the brace I9 is constructed from spring wire which is bent to form the arcuate arms 20 and 2|, which arms extend rearwardly from the body of the lamp as shown in Fig. 4 of the drawing. Said arms 20 and 2| are provided adjacent their free ends with inwardly extending substantially V-shaped portions 22 and 23, which portions are adapted to snap past the side edges 55 of the plate I3 to thereby rigidly grip the said plate when the lamp is arranged in operative position on the plate. Intermediate the arms 20 and 2|,y the wire is bent to provide an upstanding portion 24 of substantially inverted U-shaped formation, with the leg portions of -said portion 24 lying in a plane substantially perpendicular to the plane of the arms 20 and 2| and being substantially parallel to each other. A strip of resilient material 25 such as, for example, sheet metal or the like is mounted on said portion 24, said strip spanning the distance between the legs of the portion 24 and being secured to said portion 24 by curling the side edges of said strip around said leg portions as shown more clearly in Fig. 4 of the drawing.

The brace I 9 is detachably secured to the lamp body by providing on the .hook VI6 a depending offset portion 26, which is of such a size as to l snugly t between the curled-in edges of the metal strip 25, and to thereby prevent any swaying movement of the lamp at this point. The depending oiset portion 25 is provided Vwith a central screw-threaded `opening 21 which is in alignment with a central opening 28 provided in the metal strip 25. A screw 29 having a head 30 is adapted to pass through the opening 28, and to be threaded into the threaded opening` 21 and to thereby detachably secure the brace to the lamp body. 'Ihe resiliency of the metal strip 25 and its arrangement on the portion 24 is of such a character as to cause said strip 25 to act as a lock washer when the brace is in fully assembled position on the lamp body, thereby avoiding the danger of the screw 29 becoming loose or disengaged from its screw-threaded opening 21.

Fromthe foregoing, it will be noted that I have provided a simple and inexpensive mechanism vfor detachably securing a brace to the lamp whereby any injury to the brace'will not render the lamp useless, as a new brace may be readily secured in place by the simple operation of removing and replacing a single screw.

It is believed that my invention, its mode of 453construction and assembly, and many of its advantages should be readily understood from the foregoing without further description, and it should also be manifest that while a preferred embodiment of the invention has been shown and described for illustrative purposes, the structural details are nevertheless capable of wide variation within the purview of my invention as dened in the appended claims.

What I claim and desire to secure by Letters Patent of the United States is:

l. The combination with av miners lamp having a hook, one arm of which is rigidly secured to the lamp body, said last-mentioned arm, having a depending offsetk portion, of a detachable brace, formed of resilient material, comprising a pair of outwardly extending arms, an upstanda depending oiTset portion, of a detachable brace,

formed of resilient material, comprising Va pair of outwardly extending arms, an upstanding substantially inverted U-shaped portion formed intermediate said arms Vand integral therewith, a

pre-

strip of resilient material spanning said invertedy U-shaped portion, with the side edges of said strip secured to the leg portions of said inverted U-shaped portion, and means including a single screw for detachably securing said strip to said depending offset portion kof said hook, said strip acting as a lock washer to prevent loosening oi said screw. Y f

v3. The combination with a miners lamp having a hook, one arm of which` is rigidly securedV to the lamp body, said last-mentioned arm having a depending offset portion, of a detachable brace, formed of resilient material, comprising a pair of outwardly extending arms, an upstanding substantially inverted U-shaped portion formed intermediate said arms Vand integral therewith, a strip of resilient material spanning said inverted U-shaped portion, and being secured thereto by curling the side edges thereof around the leg portions of said inverted U-shaped portion, and means including a single screw for detachably securing said strip to said depending olfset portion of said hook, said strip acting as a lock washer to prevent loosening of said screw.

4. The combination with an acetylene lamp having a hook, one armof which is rigidly Vsecured to the lamp body, said last mentioned arm having a depending offset portion, of a brace formed of resilient material, comprising a pair of outwardly extending arms, an'upstanding substantially inverted U-shaped portion formed intermediate said arms and integral therewith, a strip of resilient material spanning said invertedl 

